In “Aquaman”, another Marvel character comes to life. The reluctant heir of Atlantis, Arthur Curry, is recalled to the underwater kingdom when its reigning king declares war on the surface world. “Creed II” extends the “Rocky” franchise as Adonis Johnson turns again to Rocky Balboa for help, this time to prepare for a fight against the son of a former Russian rival. “King of Thieves” is a Brit caper about an aging gang of rogues who plot a diamond heist. Michael Caine plays the leader of the band. In “Serenity”, a fisherman’s ex tells him that she wants her abusive new husband to sleep with the fishes.